Arguments are treated as String literals during the function call. Therefore, they must be converted to the appropriate format using standard Javascript methods such as parseInt(String) and parseFloat(String).

Users can overcome most of the limitations by placing the instructions within a javascript function :

Known problems and bugs

If Javascript functions (namely prompt, alert and confirm) that open a dialog box are invoked, the applet will be disabled temporarily until the mouse re-enters the applet area. If possible, avoid using dialog boxes with the navigation applets.